:root{--green:#1f382b;--cream:#f4f1e8;--paper:#fbfaf5;--orange:#d56a2b;--ink:#203329;--muted:#6f7b73;--line:rgba(31,56,43,.18);--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--cream);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}img{display:block;max-width:100%}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.shell{width:min(1180px,calc(100% - 44px));margin:0 auto}
.site-header{position:sticky;z-index:20;top:0;border-bottom:1px solid var(--line);background:rgba(244,241,232,.96);backdrop-filter:blur(16px)}.header-inner{width:min(1280px,calc(100% - 36px));min-height:78px;margin:0 auto;display:grid;grid-template-columns:220px 1fr auto;align-items:center;gap:28px}.wordmark img{width:154px;height:48px;object-fit:contain;object-position:left center}.main-nav{display:flex;justify-content:center;gap:28px;font-size:14px}.main-nav a{white-space:nowrap}.main-nav a[aria-current=page]{color:var(--orange)}.header-actions{display:flex;align-items:center;gap:10px}.header-actions a{min-height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 16px;border:1px solid var(--line);font-size:13px}.header-actions .primary{color:var(--white);border-color:var(--green);background:var(--green)}.menu-button{display:none;width:42px;height:42px;border:1px solid var(--line);background:transparent}.menu-button span{width:18px;height:1px;display:block;margin:5px auto;background:currentColor}
.eyebrow{margin:0 0 14px;color:var(--orange);font-size:12px;font-weight:700;letter-spacing:.16em}.library-intro{padding:72px 0 50px;border-bottom:1px solid var(--line)}.library-intro-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);align-items:end;gap:80px}.library-intro h1{max-width:760px;margin:0;font-size:clamp(44px,5.2vw,72px);line-height:1.14;font-weight:500}.library-intro-copy{padding-left:30px;border-left:1px solid var(--line)}.library-intro-copy p{margin:0;color:#53645a;font-size:17px;line-height:1.9}.library-stats{display:grid;grid-template-columns:repeat(3,1fr);margin-top:28px;border-top:1px solid var(--line)}.library-stats span{padding:16px 14px 0 0;color:var(--muted);font-size:12px}.library-stats strong{display:block;margin-bottom:4px;color:var(--green);font:32px/1.1 Georgia,serif}.library-tools{padding:28px 0}.library-tools-inner{display:flex;align-items:center;justify-content:space-between;gap:22px}.filters{display:flex;flex-wrap:wrap;gap:8px}.filter{min-height:38px;padding:0 15px;color:#53645a;border:1px solid var(--line);background:transparent;cursor:pointer}.filter.active{color:var(--white);border-color:var(--green);background:var(--green)}.library-tools p{margin:0;color:var(--muted);font-size:13px}
.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;padding-bottom:86px}.guide-card{min-width:0;border:1px solid var(--line);background:var(--paper);transition:transform .2s ease,box-shadow .2s ease}.guide-card[hidden]{display:none}.guide-card:hover{transform:translateY(-4px);box-shadow:0 22px 55px rgba(31,56,43,.12)}.guide-cover{position:relative;aspect-ratio:750/850;overflow:hidden;border-bottom:1px solid var(--line);background:#e9eee9}.guide-cover img{display:block;width:100%;height:auto;object-fit:cover;object-position:top center}.guide-card[data-category=economic] .guide-cover::after{position:absolute;right:0;bottom:0;left:0;height:11%;content:"";background:#0d3428}.guide-card-body{padding:26px}.guide-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--orange);font-size:11px;font-weight:700}.guide-meta span:last-child{color:var(--muted);font-weight:400}.guide-card h2{margin:18px 0 12px;font-size:29px;line-height:1.25;font-weight:500}.guide-card p{min-height:78px;margin:0;color:#647168;font-size:14px;line-height:1.85}.guide-link{margin-top:22px;display:flex;align-items:center;justify-content:space-between;padding-top:18px;border-top:1px solid var(--line);font-size:14px;font-weight:600}.guide-link span{color:var(--orange);font-size:20px}
.path-band{color:var(--white);background:var(--green)}.path-band-inner{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;padding:70px 0}.path-band h2{margin:0;font-size:40px;line-height:1.3;font-weight:500}.path-options{display:grid;grid-template-columns:1fr 1fr;border:1px solid rgba(255,255,255,.2)}.path-option{padding:28px}.path-option+.path-option{border-left:1px solid rgba(255,255,255,.2)}.path-option strong{display:block;margin-bottom:10px;font-size:19px}.path-option p{min-height:52px;margin:0 0 20px;color:rgba(255,255,255,.68);font-size:13px;line-height:1.75}.path-option a{color:#ffb17c;font-size:13px}
.guide-hero{color:var(--white);background:var(--green)}.guide-hero-inner{min-height:510px;display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,430px);align-items:center;gap:70px;padding:58px 0}.guide-hero h1{margin:0;font-size:clamp(44px,5vw,70px);line-height:1.16;font-weight:500}.guide-hero .summary{max-width:680px;margin:24px 0 0;color:rgba(255,255,255,.72);font-size:16px;line-height:1.9}.guide-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}.guide-tags span{padding:8px 12px;border:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.84);font-size:12px}.hero-cover{justify-self:end;width:min(100%,390px);aspect-ratio:360/470;overflow:hidden;border:1px solid rgba(255,255,255,.25);background:var(--paper);box-shadow:0 28px 80px rgba(0,0,0,.2)}.hero-cover img{width:100%;height:100%;object-fit:cover;object-position:top}.guide-overview{display:grid;grid-template-columns:.72fr 1.28fr;gap:80px;padding:82px 0}.section-title{position:sticky;top:112px;align-self:start}.section-title h2{margin:0;font-size:40px;line-height:1.28;font-weight:500}.section-title p:not(.eyebrow){color:var(--muted);line-height:1.8}.stage-list{border-top:1px solid var(--line)}.stage{display:grid;grid-template-columns:62px 1fr;gap:20px;padding:25px 0;border-bottom:1px solid var(--line)}.stage-index{color:var(--orange);font:24px/1 Georgia,serif}.stage h3{margin:0 0 8px;font-size:21px;font-weight:500}.stage p{margin:0;color:#657269;font-size:14px;line-height:1.8}
.guide-value{padding:74px 0;background:#e9eee9}.value-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.value-item{min-height:190px;padding:28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.value-item span{color:var(--orange);font:24px/1 Georgia,serif}.value-item h3{margin:28px 0 10px;font-size:19px;font-weight:500}.value-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.75}
.download-section{padding:86px 0}.download-panel{display:grid;grid-template-columns:minmax(0,.85fr) minmax(420px,1.15fr);border:1px solid var(--line);background:var(--paper)}.download-copy{padding:58px;color:var(--white);background:var(--green)}.download-copy h2{margin:0 0 20px;font-size:38px;line-height:1.3;font-weight:500}.download-copy p{margin:0;color:rgba(255,255,255,.7);line-height:1.9}.download-facts{margin-top:38px;display:grid;gap:14px}.download-facts span{padding-top:14px;border-top:1px solid rgba(255,255,255,.18);font-size:13px}.guide-form{padding:46px 50px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.guide-form label{display:grid;gap:8px;margin-bottom:17px;color:#4f5e54;font-size:13px}.guide-form input[type=text],.guide-form input[type=tel]{width:100%;height:48px;padding:0 13px;border:1px solid #cbd3cc;border-radius:0;color:var(--ink);background:var(--white);outline:none}.guide-form input:focus{border-color:var(--green);box-shadow:0 0 0 2px rgba(31,56,43,.08)}.consent{grid-template-columns:20px 1fr!important;align-items:start;gap:9px!important;line-height:1.65}.consent input{width:18px;height:18px;margin:2px 0 0;accent-color:var(--green)}.form-honeypot{position:absolute;left:-9999px}.submit-download{width:100%;min-height:58px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;border:0;color:var(--white);background:var(--orange);cursor:pointer}.submit-download strong{display:block;font-size:16px}.submit-download small{display:block;margin-top:4px;font-size:11px;font-weight:400}.submit-download:disabled{cursor:wait;opacity:.7}.form-status{min-height:22px;margin:12px 0 0;font-size:12px}.form-status.error{color:#b33b27}.form-status.success{color:#287044}.site-footer{padding:34px 0;color:rgba(255,255,255,.66);background:#17281f}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;font-size:12px}.footer-inner strong{color:var(--white)}
@media(max-width:980px){.header-inner{grid-template-columns:220px 1fr auto}.menu-button{display:block;justify-self:end}.main-nav{position:absolute;top:78px;left:0;right:0;display:grid;gap:0;padding:10px 24px 22px;border-bottom:1px solid var(--line);background:var(--cream);transform:translateY(-130%);opacity:0;pointer-events:none;transition:.2s ease}.main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto}.main-nav a{padding:13px 0;border-bottom:1px solid var(--line)}.library-intro-grid,.path-band-inner,.guide-overview{grid-template-columns:1fr;gap:38px}.library-intro-copy{padding-left:0;border-left:0}.guide-grid{grid-template-columns:repeat(2,1fr)}.guide-hero-inner{grid-template-columns:1fr 320px;gap:38px}.section-title{position:static}.download-panel{grid-template-columns:1fr}}
@media(max-width:680px){.shell{width:min(100% - 32px,1180px)}.header-inner{width:calc(100% - 28px);min-height:66px;grid-template-columns:1fr auto}.wordmark img{width:128px;height:42px}.menu-button{grid-column:2;grid-row:1}.header-actions{display:none}.main-nav{top:66px}.library-intro{padding:48px 0 34px}.library-intro h1{font-size:38px}.library-intro-copy p{font-size:15px}.library-tools-inner{align-items:flex-start;flex-direction:column}.guide-grid{grid-template-columns:1fr;padding-bottom:56px}.guide-card p{min-height:0}.path-band-inner{padding:52px 0}.path-band h2{font-size:31px}.path-options{grid-template-columns:1fr}.path-option+.path-option{border-left:0;border-top:1px solid rgba(255,255,255,.2)}.guide-hero-inner{min-height:0;grid-template-columns:1fr;padding:46px 0 54px}.guide-hero h1{font-size:40px}.hero-cover{justify-self:start;width:min(78vw,320px)}.guide-overview{padding:56px 0}.section-title h2{font-size:32px}.stage{grid-template-columns:46px 1fr}.value-grid{grid-template-columns:1fr}.value-item{min-height:0}.download-section{padding:54px 0}.download-copy,.guide-form{padding:34px 24px}.download-copy h2{font-size:31px}.form-row{grid-template-columns:1fr;gap:0}.footer-inner{align-items:flex-start;flex-direction:column}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.guide-card,.main-nav{transition:none}}
.library-intro h1{font-size:clamp(42px,4.4vw,58px);line-height:1.18}.stable-lines span{display:block;white-space:nowrap}.guide-hero-inner>*{min-width:0}.guide-hero .summary{max-width:100%;overflow-wrap:anywhere}
@media(max-width:680px){.library-intro .stable-lines{font-size:32px}.guide-hero-inner{grid-template-columns:minmax(0,1fr)!important}.guide-hero .eyebrow{overflow-wrap:anywhere}}
.guide-card[data-category=economic] .guide-cover::after{right:8.5%;left:8.5%;background:#102a21}
.guide-grid .guide-cover{aspect-ratio:4/5;background:#173628}
.guide-grid .guide-cover img{width:100%;height:100%;object-fit:cover;object-position:center}
.guide-grid .guide-card[data-category=economic] .guide-cover::after{content:none}
.guide-cover-label{position:absolute;right:18px;bottom:18px;left:18px;padding:18px 20px 20px;border-left:3px solid var(--orange);color:var(--white);background:rgba(18,49,38,.92);backdrop-filter:blur(4px)}
.guide-cover-label span{display:block;margin-bottom:9px;color:#e8b377;font:700 10px/1.2 Arial,sans-serif;letter-spacing:0}
.guide-cover-label h3{margin:0;font-size:25px;line-height:1.25;font-weight:600;letter-spacing:0}
@media(max-width:680px){.guide-cover-label{right:14px;bottom:14px;left:14px;padding:16px 18px 18px}.guide-cover-label h3{font-size:23px}}

/* Keep guide navigation consistent with the main website. */
.header-inner{min-height:72px;grid-template-columns:180px 1fr auto;gap:22px}.wordmark img{width:136px;height:44px}.main-nav{gap:clamp(16px,2vw,28px)}
.guide-grid .guide-cover img{content-visibility:auto}
@media(max-width:980px){.header-inner{grid-template-columns:180px 1fr auto}.main-nav{top:72px}}
@media(max-width:680px){.header-inner{min-height:66px;grid-template-columns:1fr auto}.main-nav{top:66px}}